Home / 63,115.47-87,099.30-36,259.65

Finding the Fourth Proportional to 63,115.47, 87,099.30 and 36,259.65

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Solution

The fourth proportional to 63,115.47, 87,099.30 and 36,259.65 is: 50,038.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.47 : 87,099.30 = 36,259.65 : x
  2. Step 2: Convert to fraction form
    63,115.47/87,099.30 = 36,259.65/x
  3. Step 3: Cross multiply
    63,115.47x = 87,099.30 × 36,259.65
  4. Step 4: Simplify right side
    63,115.47x = 3,158,190,133.25
  5. Step 5: Solve for x
    x = 3,158,190,133.25/63,115.47
  6. Step 6: Final answer
    x = 50,038.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.